[DEWBELL]Refill Filter Cartridge for F15 Water Filter system (High grade type) /Water Filter/Removes rust , Residual chlorine and Harmful substances Removes rust, harmful substances and residual chlorine in tap water (Up to 3 micro) Good for your skin and hair Extremely simple and easy to change it High capacity filter and various filter type. It can be compatible with a Economy type filter for F15 water filter system.